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首页> 外文期刊>Preventive Medicine: An International Journal Devoted to Practice and Theory >The change-in-stage and updated smoking status results from a cluster-randomized trial of smoking prevention and cessation using the transtheoretical model among British adolescents.
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The change-in-stage and updated smoking status results from a cluster-randomized trial of smoking prevention and cessation using the transtheoretical model among British adolescents.

机译：使用跨理论模型在英国青少年中进行的一项关于吸烟预防和戒烟的整群随机试验，得出阶段性和更新的吸烟状况。

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BACKGROUND: The transtheoretical model (TTM) and computer technology are promising technologies for changing health behavior, but there is little evidence of their effectiveness among adolescents. METHOD: Four thousand two hundred twenty-seven Year 9 (ages 13-14) pupils in 26 schools were randomly allocated to control and 4,125 in 26 schools were allocated to TTM intervention. TTM pupils received three whole class lessons and three sessions with an interactive computer program. Control pupils received no special intervention. Positive change in stage and smoking status was assessed from a questionnaire completed at baseline, 1 year, and 2 years. Random effects logistic regression was used to compare the change in stage and smoking status between the arms. RESULTS: Eighty-nine percent of the TTM group and 89.3% of the control group were present at 1-year and 86.0 and 83.1%, respectively, were present at 2-year follow-up. The adjusted odds ratio (95% confidence interval) for positive stage movement in the TTM relative to control was 1.13 (0.91-1.41) at 1 year and 1.25 (0.95-1.64) at 2 years and for regular smoking was 1.14 (0.93-1.39) at 1 year and 1.06 (0.86-1.31) at 2 years. Subgroup analysis by initial smoking status revealed no benefit for prevention or cessation. CONCLUSIONS: The intervention was ineffective. Copyright 2001 American Health Foundation and Academic Press.
机译：背景：跨理论模型（TTM）和计算机技术是改变健康行为的有前途的技术，但很少有证据表明它们在青少年中有效。方法：随机分配26所学校的47.7％的9年级（13-14岁）学生作为控制对象，将26所学校的4,125名学生分配给TTM干预。 TTM学生通过交互式计算机程序接受了三节全班课程和三节课。对照学生没有接受特殊干预。通过在基线，1年和2年完成的调查问卷评估阶段和吸烟状况的积极变化。使用随机效应逻辑回归比较两组之间的阶段和吸烟状态变化。结果：TTM组的89％和对照组的89.3％出现在1年，分别在8年和83.1％在2年的随访中。 TTM相对于对照组的阳性阶段运动的校正比值比（95％置信区间）在1年时为1.13（0.91-1.41），在2年时为1.25（0.95-1.64），常规吸烟时为1.14（0.93-1.39） ）（1年）和1.06（0.86-1.31）（2年）。通过初始吸烟状态进行的亚组分析显示，预防或戒烟无益。结论：干预措施无效。版权所有2001美国健康基金会和学术出版社。

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